NORTEL NTK557GAE5

NORTEL NTK557NA

Brand: | SKU: NTK557NA

The NTK557NA is a 100GBASE-LR4 QSFP28 optical transceiver module designed for high-speed data transmission over single-mode fiber, supporting distances up to 10 kilometers. It is fully compliant with IEEE 802.3ba and QSFP28 MSA standards, ensuring reliable performance in data center and enterprise networking environments.

Refurbished Availability

Refurbished NORTEL NTK557NA modules are available from Comtek, offering a smart and sustainable alternative to new hardware purchases. Each refurbished unit undergoes comprehensive inspection, professional refurbishment, and rigorous testing to guarantee performance and reliability. Customers benefit from significant cost savings without compromising on quality, making refurbished equipment an ideal solution for budget-conscious organizations seeking top-tier network components.

Expert Repair Service

Comtek provides expert repair services for the NTK557NA and similar transceiver modules, supported by decades of multi-vendor experience with brands such as Cisco, Juniper, and Nokia. Our certified engineers deliver fast turnaround times, ensuring your critical infrastructure remains operational with minimal downtime. This service is trusted by network, telecoms, and critical infrastructure users worldwide, providing a reliable and cost-effective alternative to replacement.

Global Presence

With repair centres and offices strategically located in the UK, Northern Ireland, Germany, Greece, and the USA, Comtek delivers responsive, localised service on a global scale. Our international footprint ensures rapid logistics, expert support, and high customer satisfaction for clients in every region.

Committed to Sustainability

Comtek is dedicated to supporting the circular economy by extending the lifespan of telecom, network, and critical infrastructure equipment. By repairing and refurbishing equipment like the NTK557NA, we help reduce e-waste, lower carbon emissions, and deliver long-term value to our customers. Choosing Comtek means making a positive impact on both your organization and the environment.

For more information or to request a quote, please visit our contact form. All refurbished and repaired equipment comes with warranty coverage for peace of mind.